From: Tom Tromey <tromey@redhat.com>
To: Pedro Alves <pedro@codesourcery.com>
Cc: Joel Brobecker <brobecker@adacore.com>, gdb-patches@sourceware.org
Subject: Re: [PATCH] gdb.ada/catch_ex.exp, gdb.ada/mi_catch_ex.exp and unsupported catchpoints
Date: Fri, 09 Dec 2011 18:00:00 -0000 [thread overview]
Message-ID: <m3hb19fxo3.fsf@fleche.redhat.com> (raw)
In-Reply-To: <201112091717.12970.pedro@codesourcery.com> (Pedro Alves's message of "Fri, 9 Dec 2011 17:17:12 +0000")
>>>>> "Pedro" == Pedro Alves <pedro@codesourcery.com> writes:
Joel> The problem is that we need to get to the argument of function we are
Joel> breaking on in order to determine which exception has been raised.
Joel> That's where we really need the debug info. I think I even added
Joel> a comment about that in the code...
Pedro> GDB knows the target's function call ABI (for infcalls), and supposedly
Pedro> this function's prototype is cast in stone as part of the ABI too.
Pedro> GDB could just know where to get the arguments from?
Yeah, it could be done. Right now though the knowledge in GDB is in a
form that is specific to making infcalls, not decoding them. So, adding
this functionality would be a significant amount of work, and also
non-trivial to test. I count 51 calls to set_gdbarch_push_dummy_call in
the tree...
Tom
next prev parent reply other threads:[~2011-12-09 17:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-06 17:33 Pedro Alves
2011-12-07 10:07 ` Joel Brobecker
2011-12-07 15:29 ` Pedro Alves
2011-12-07 16:10 ` Pedro Alves
2011-12-07 22:01 ` Tom Tromey
2011-12-07 23:18 ` Joel Brobecker
2011-12-09 3:50 ` Tom Tromey
2011-12-09 17:20 ` Pedro Alves
2011-12-09 18:00 ` Tom Tromey [this message]
2011-12-09 18:13 ` Pedro Alves
2011-12-09 18:40 ` Tom Tromey
2011-12-10 22:53 ` Pedro Alves
2011-12-11 20:33 ` Joel Brobecker
2011-12-20 14:53 ` Tom Tromey
2012-01-10 20:26 ` Pedro Alves
2011-12-11 17:42 ` [commit] Ada exception catchpoint support cleanup Joel Brobecker
2011-12-11 17:44 ` [commit] Warn if missing debug info for Ada exception catchpoints Joel Brobecker
2011-12-11 18:04 ` [commit/Ada] improve message when cannot insert Ada exception catchpoint Joel Brobecker
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